The Largest Kidney Specialist Group in the U.S.

Mark Rumancik MD

Each patient who comes to NANI will receive the best care, as an individual. NANI nephrologists and advanced practice clinicians are trained professionals in caring for kidney disease.
doctors discussing details
Hospital Affiliations:
  • I U Jay Hospital
  • Parkview Huntington Hospital
  • Parkview Lagrange Hospital
  • Parkview Noble Hospital
  • Parkview Ortho Hospital
  • Parkview Randallia Hospital
  • St. Joseph Hospital – Lutheran
Dialysis Center Affiliations:
  • DaVita Appleseed at Home
  • DaVita Appleseed Dialysis
  • DaVita Fort Wayne North Dialysis
  • DaVita Fort Wayne South Dialysis
  • DaVita Fort Wayne West at Home
  • DaVita Fort Wayne West Dialysis
  • DaVita Kendallville Renal Center
  • DaVita Quad Counties Dialysis
  • DaVita Summit City Dialysis
  • DaVita Three Rivers Dialysis
  • Fresenius Canal Dialysis
  • Fresenius Defiance
  • Fresenius Dekalb County
  • Fresenius Fort Wayne Dupont
  • Fresenius Fort Wayne Jefferson
  • Fresenius Peru

Background

Medical School
  • Ohio State University College of Medicine
Residency
  • Ohio State University College of Medicine
Fellowship
  • Ohio State University College of Medicine

Offices

Parkview North Office
  • 11104 Parkview Circle, Ste. 330, Fort Wayne, IN 46845
  • Phone: 260-494-3484
  • Fax: 260-969-0188
  • Directions / Map
Parkview Huntington Hospital
Portland Office
Decatur Office
Decatur Office
Bluffton Office

Nephrology Associates of Northern Illinois and Indiana

DoctorTemp- Your Journey, YOur Pace
Your Journey, YOur Pace

We focus on our patients and have the resources to offer them the best in kidney care. It’s all a part of NANI’s scope of excellent care and services.

doctor pointing to a model of a kidney
state-of-the-art services

Services may be in dialysis centers, vascular access surgicenters, nursing homes, hospitals and labs located conveniently to our patients.

DoctorTemp- Your Partners in recovery
Your Partners in recovery

Our doctors care for those with kidney disease, kidney injury, kidney transplant and difficult to control hypertension.